20034456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 54415200

約数和(自身を除く): 34380744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 157, 312, 314, 409, 471, 628, 818, 942, 1227, 1256, 1636, 1884, 2041, 2454, 3272, 3768, 4082, 4908, 5317, 6123, 8164, 9816, 10634, 12246, 15951, 16328, 21268, 24492, 31902, 42536, 48984, 63804, 64213, 127608, 128426, 192639, 256852, 385278, 513704, 770556, 834769, 1541112, 1669538, 2504307, 3339076, 5008614, 6678152, 10017228, 20034456]

約数ペア:

[(1, 20034456), (2, 10017228), (3, 6678152), (4, 5008614), (6, 3339076), (8, 2504307), (12, 1669538), (13, 1541112), (24, 834769), (26, 770556), (39, 513704), (52, 385278), (78, 256852), (104, 192639), (156, 128426), (157, 127608), (312, 64213), (314, 63804), (409, 48984), (471, 42536), (628, 31902), (818, 24492), (942, 21268), (1227, 16328), (1256, 15951), (1636, 12246), (1884, 10634), (2041, 9816), (2454, 8164), (3272, 6123), (3768, 5317), (4082, 4908)]